KR101772444B1 - Projection type virtual safety tripod display apparatus for vehicle - Google Patents

Abstract

The present invention relates to a safety tripod for a vehicle. More specifically, the present invention provides a projection type virtual safety tripod display for a vehicle enabling a virtual safety tripod to be displayed on a glass window of a rear side of a vehicle by using a beam projector installed in a vehicle in order to allow a driver of a rear vehicle to easily distinguish the virtual safety tripod in nighttime and daytime to prevent, in advance, a secondary collision accident. The present invention comprises: a vehicle state sensing unit; a control unit; the main beam projector; an optical sensor; and a screen driving unit.

Description

TECHNICAL FIELD [0001] The present invention relates to a projection type virtual safety tripod display device for a vehicle,

The present invention relates to a safety tripod for a vehicle, and more particularly, to a safety tripod for a vehicle, in which a virtual safety tripod is displayed on a rear window of a vehicle using a beam projector installed in a vehicle, ≪ / RTI >

Generally, on the road, there are many risk factors such as the possibility that the vehicles are densely packed and stagnated in one space due to a failure of the vehicle or an accident (collision and collision). As a result of many of these hazards, the driver of the rearward vehicle that is moving to the place is always exposed to danger. Therefore, in order to ensure the safety of the driver or pedestrian, (Hereinafter referred to as a "safety tripod") to be installed in the building.

For reference, the Road Traffic Act stipulates that a safety tripod should be installed 100m in the daytime and 200m in the nighttime, from the accident vehicle, considering the speed of the vehicle that drives the road. However, in case of an accident, if you move to install a safety tripod, there is a possibility that the vehicle occupant may be exposed to an accident risk. Also, in a highway or the like where a vehicle is traveling at high speed, the tripod located on the road surface can not be easily recognized or even if it is recognized, it can not provide sufficient time to cope with an emergency condition.

In order to solve such a problem, Korean Patent Laid-Open Publication No. 10-2012-0134588 (Publication date: December 12, 2012) and Korean Public Utility Publication No. 20-2012-0001409 (Release date: February 29, 2012) To prevent a series of accidents such as a second collision accident by allowing the driver of the rear vehicle to follow or follow the emergency situation in case of a vehicle malfunction or an accident.

However, Korean Patent Laid-Open No. 10-2012-0134588 and Korean Published Unexamined Utility Application No. 20-2012-0001409 have a problem that the driver must install a safety tripod directly on the roof or trunk of the vehicle in an emergency. Especially, in the case of rainy weather or nighttime, it is difficult to secure the view of the driver of the rearward vehicle that rushes at high speed. Therefore, in the process of installing the safety tripod on the roof or trunk of the vehicle,

Korean Patent Publication No. 10-1998-043332 (Publication Date: Sep. 10, 1998), Korean Patent Publication No. 10-2007-0046060 (Publication Date: May 2, 2007), Korean Patent No. 10-1296248 (Registered Date: Aug. 23, 2013), a projector has been proposed in which a projector is installed on the rear or trunk of a vehicle to virtually provide a warning sign such as a safety tripod on the road.

However, the guidance display devices using the projectors proposed in Korean Patent Laid-Open Nos. 10-1998-043332, 10-2007-0046060, and 10-1296248, etc., It is difficult to identify a safety tripod that is displayed on the road due to the sunlight during the day, because the driver of the rear vehicle has difficulty in identifying the safety tripod.

KR 10-2012-0134588 A, 12/12/2012. KR 20-2012-0001409I, 2012. 02. 29. KR 10-1998-043332 A, 1998. 09.05. KR 10-2007-0046060 A, 2007. 05. 02. KR 10-1296248 B1, 2013. 08. 07.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the problems of the prior art, and it is an object of the present invention to provide a virtual safety tripod display device for a vehicle, which can provide a virtual safety tripod that can be easily identified by a driver of a rear- It has its purpose.

According to one aspect of the present invention, there is provided a vehicle state sensing apparatus comprising: a vehicle state sensing unit provided with vehicle state information; An emergency button provided on the vehicle or a control unit receiving a vehicle information signal from the vehicle state sensing unit; And a main beam projector installed on a roof ceiling of the vehicle and outputting a virtual safety tripod to the rear window of the vehicle in response to a control signal transmitted from the control unit corresponding to the vehicle information signal There is provided a virtual safety tripod display device for a vehicle projection type.

Preferably, an optical sensor installed on a rear window of the vehicle for sensing the intensity of light incident on the rear window of the vehicle; Further comprising a screen driving unit installed on a roof ceiling of the vehicle to a rear side of the main beam projector, wherein when the intensity of the light sensed through the optical sensor exceeds a predetermined value, The screen is opened to the front side of the auxiliary window so that the virtual safety tripod projected from the main beam projector is displayed on the developed screen.

Preferably, the main beam projector includes: a light emitting element that emits light; A mask disposed on a light emitting path of the light emitting element, the mask being printed with a virtual safety tripod; A heat sink having the light emitting element mounted on one side thereof; A first housing detachably coupled to one side of the heat sink; A second housing detachably coupled to one side of the first housing; A first lens embedded in the interior of the first housing toward the front side of the mask; A second lens embedded in the interior of the second housing toward the front side of the first lens; A bracket fixed to a roof ceiling of the vehicle so that the heat sink can rotate; And a controller for controlling the bracket so that the virtual safety tripod outputted from the main beam projector is stably displayed on the screen developed by the screen driving unit when the intensity of the light sensed through the optical sensor exceeds a predetermined value. And a drive motor for rotating the heat sink.

Preferably, the auxiliary beam projector further includes an auxiliary beam projector installed on the trunk ceiling of the vehicle and outputting a virtual safety tripod on the road in response to the control signal transmitted from the control unit in response to the vehicle information signal.

Preferably, when the trunk opening / closing button is turned on and the trunk of the vehicle is determined to be open, the control unit drives the auxiliary beam projector among the main beam projector and the auxiliary beam projector to display a virtual safety tripod on the road . ≪ / RTI >

Preferably, the control unit receives a sensing signal from the optical sensor during driving of the auxiliary beam projector, and when the vehicle is stronger than the set value, the virtual safety tripod The main beam projector and the screen driving unit are driven so that a virtual safety tripod is displayed on the screen.

As described above, according to the present invention, by providing a virtual safety tripod display device for a vehicle that displays a virtual safety tripod on a rear window of a vehicle using a beam projector installed in a vehicle, It is possible to easily identify a virtual safety tripod at night, thereby preventing a second collision accident.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a diagram showing a virtual safety tripod display device for a vehicle according to an embodiment of the present invention. Fig.
Fig. 2 is a view showing a state in which a virtual safety tripod is displayed on a rear window glass of a vehicle by the operation of the beam projector shown in Fig. 1; Fig.
3 is a view showing a state where a virtual safety tripod is displayed on a screen developed by the screen driving unit shown in Fig.
FIG. 4 is an assembled perspective view illustrating a main beam projector according to the present invention. FIG.
5 is a sectional view for explaining the internal configuration of the main beam projector shown in Fig.
Fig. 6 is a view showing a state in which the auxiliary beam projector shown in Fig. 1 is installed in a trunk of a vehicle; Fig.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described below, but may be embodied in various other forms.

The present embodiments are provided so that the disclosure of the present invention is thoroughly disclosed and that those skilled in the art will fully understand the scope of the present invention. And the present invention is only defined by the scope of the claims. Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention.

In addition, like reference numerals refer to like elements throughout the specification. Moreover, terms used herein (to be referred to) are intended to illustrate the embodiments and are not intended to limit the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. Also, components and acts referred to as " comprising (or comprising) " do not exclude the presence or addition of one or more other components and operations.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

Hereinafter, the technical features of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view showing a virtual safety tripod display device for a vehicle according to an embodiment of the present invention. FIG. 2 is a view showing a virtual safety tripod displayed on a rear window of a vehicle by operation of the main beam projector shown in FIG. FIG. 3 is a view illustrating a state where a virtual safety tripod is displayed on a screen developed by the screen driving unit shown in FIG. 1. FIG.

Referring to FIGS. 1 and 3, a vehicular projection type virtual safety tripod display apparatus according to an embodiment of the present invention includes a vehicle state sensing unit 10, a control unit 20, and a main beam projector 30.

The vehicle state sensing unit 10 is connected to an ECU (Electronic Control Unit) of the vehicle 1 to receive vehicle state information. For example, the vehicle state information includes vehicle impact information, airbag information, tire air pressure information, brake operation information, lane departure information, and the like.

The control unit 20 receives the vehicle state information from the vehicle state sensing unit 10 and receives the vehicle information signal corresponding to the operation information of the emergency button 2 provided on the dashboard of the vehicle 1, And controls the operation of the main beam projector 30 in response to the vehicle information signal.

For example, vehicle information corresponding to any one of the vehicle impact information, the airbag information, the tire air pressure information, the brake operation information, the lane departure information, or the operation information of the emergency button 2 from the vehicle state sensing unit 10 When the signal is inputted, the main beam projector 30 is operated to display the virtual safety tripod 4 on the rear window glass 3 of the vehicle 1.

The main beam projector (30) is installed on the roof ceiling of the vehicle (1) and irradiates the laser to the rear side of the vehicle (1). That is, the main beam projector 30 illuminates the rear window glass 3 in response to the control signal input from the control unit 20 to display the virtual safety tripod 4.

The main beam projector 30 may further include an illumination lamp for illuminating the interior of the main beam projector 30. The main beam projector 30 may function as an indoor illumination lamp when installed in the roof of the vehicle 1. [

FIG. 4 is an assembled perspective view illustrating a main beam projector according to the present invention, and FIG. 5 is a sectional view illustrating an internal structure of the main beam projector shown in FIG.

4 and 5, the main beam projector 30 according to the present invention includes a light emitting device 31 that emits light, a sheet structure in which a safety triangle is printed so as to have transparency higher than a reference value, And a mask 32 positioned on the light-emitting path of the light-emitting device. Thus, the light emitted from the light emitting element 31 passes through the mask 32, is imaged into a safety tripod, and then illuminated to the rear window 3 as shown in FIG. 2 to display the virtual safety tripod 4.

5, the main beam projector 30 further includes a heat sink 33 and first and second housings 34 and 35 to supply external power from the vehicle battery provided in the vehicle 1. [ Or may be operated by receiving internal power from the internal battery.

5, the first housing 34 is detachably coupled to one side of the heat sink 33 and has therein a light emitting path of the light emitting element 31, that is, a front side of the mask 32, ).

The second housing 35 is detachably coupled to one side of the first housing 34 and a second lens 37 is disposed inside the light emitting path of the light emitting device 31, It is built in.

The light emitting element 31 is an LED element, and the rear portion is mounted on one side of the heat sink 33, as shown in Fig. Accordingly, heat generated in the light emitting element 31 is discharged to the outside through the heat sink 33.

The mask 32 is detachably mounted to the first housing 34 so as to be positioned between the light emitting element 31 and the first lens 36. [ Accordingly, the light emitted from the light emitting element 31 passes through the mask 32, the first and second lenses 36 and 37 sequentially. Thus, the driver (user) can adjust the image focus of the virtual safety tripod 4 outputted by adjusting the interval between the first and second lenses 36 and 37, thereby displaying the virtual safety tripod 4 more clearly can do.

The gap between the first and second lenses 36 and 37 can be adjusted by screwing the first and second housings 34 and 35 together. That is, by rotating the second housing 35 in the tightening direction or the unclamping direction about the first housing 34 by adjusting the interval between the first and second housings 34 and 35, The distance between the second lenses 36 and 37 can be adjusted.

In the present invention, the first and second housings 34 and 35 are detachably coupled to each other in a screw-coupling manner. However, the first and second housings 34 and 35 may be detachably coupled to each other, All methods can be applied. For example, a guide rail extending in a light emitting direction of the light emitting element 31 is provided therein, and the second housing 35 is coupled to the first housing 34 so as to be slidable along a guide rail extending in the light emitting direction. And the first and second housings 34 and 35 may be combined with each other to have a double pipe structure like the antenna structure.

In addition, the main beam projector 30 further includes a bracket 38. The bracket 38 is rotatably provided on the outer side of the heat sink 33 so that the virtual safety tripod 4 is displayed more clearly on the rear window glass 3 regardless of the position and angle at which the beam projector 30 is mounted can do. That is, since the heat sink 33 is fastened to the bracket 38 so as to be rotatable, the driver can rotate the heat sink 33 by operating the heat sink 33 even when the bracket 38 is not removed from the roof of the vehicle 1 It is possible to output the virtual safety tripod 4 to the rear window pane 3.

The main beam projector 30 may further include a drive motor 39 that rotates the heat sink 33 to automatically rotate the heat sink 33 mounted on the bracket 38. [ The drive motor 39 can automatically rotate the heat sink 33 with the bracket 38 as an axis and always output the virtual safety tripod 4 to the rear window glass 3 even if the driver does not operate it manually.

The driving motor 39 is operated in conjunction with the signal sensed by the optical sensor 60 shown in FIG. 1 so that the virtual safety tripod 4 is stably displayed on the screen 41 developed by the screen driving unit 40. The focus is adjusted by automatically rotating the heat sink 33 with the bracket 38 as the axis.

For example, when the intensity of the light sensed by the optical sensor 60 (the intensity of the light incident on the rear window glass 3) is greater than a predetermined value, the control unit 20 drives the screen driving unit 40, The screen 41 is opened on the front surface of the windshield 3 so that the virtual safety tripod 4 output from the main beam projector 30 is displayed on the screen 41 rather than the rear windshield 3. [ At this time, the driving motor 39 drives the bracket 38 axially to adjust the focal point of the virtual safety tripod 4 fitted to the rear window glass 3 to the screen 41, rather than the rear window glass 3, The sink 33 is rotated at a predetermined angle so that the focal point of the virtual safety tripod 4 is aligned with the screen 41 so that the virtual safety tripod 4 is output to the screen 41 in a clear manner.

Even if the virtual safety tripod 4 is displayed on the rear window glass 3 through the main beam projector 30 during the summer, relatively strong light is incident on the rear window glass 3, There is much difficulty in identifying the driver of the rear vehicle to the virtual safety tripod 4 to be displayed. Accordingly, in the present invention, when the intensity of light exceeding the set value is input through the optical sensor 60 provided in the rear window glass 3, the screen 41 is expanded through the screen driving unit 40, So that the driver of the rear vehicle can identify the vehicle more stably.

The screen driving unit 40 includes a winding roll (not shown) mounted on the roof of the vehicle 1 to the rear side of the main beam projector 30 and wound around the screen 41, a driving motor Hour). Normally, the screen 41 is wound around the winding roll and is developed to face the rear window glass 3 by the driving motor when the screen driving unit 40 is driven.

Meanwhile, as shown in FIG. 1, the vehicle-mounted virtual safety tripod display apparatus according to the embodiment of the present invention may further include an auxiliary beam projector 30 'installed on the ceiling of the trunk 5 of the vehicle.

FIG. 6 is a view showing a state in which the auxiliary beam projector shown in FIG. 1 is installed in a trunk of a vehicle.

Referring to FIGS. 1 and 6, the auxiliary beam projector 30 'is installed on the ceiling of the trunk 5 and is controlled by the control unit 20 in an emergency to display a virtual safety tripod 4' on the road. At this time, the auxiliary beam projector 30 'may have the same configuration as the main beam projector 30.

When the trunk 5 is opened or closed by the trunk opening / closing button 6 in an emergency, the control unit 20 cuts off the driving of the main beam projector 30 and drives the auxiliary beam projector 30 'provided in the trunk 5 And displays the virtual safety tripod 4 'on the road through the auxiliary beam projector 30'.

Accordingly, the driver can selectively drive either the main beam projector 30 or the auxiliary beam projector 30 'so that the driver of the rear vehicle can more easily identify according to the emergency situation and the surrounding environment. This makes it easier for the driver of the rear vehicle to recognize the dangerous situation ahead, thereby preventing a secondary accident in advance.

For example, when the trunk opening / closing button 6 is turned on and the trunk 5 is determined to be open, the control unit 20 determines whether the main beam projector 30 and the auxiliary beam projector 30 ' 30 'to display a virtual safety tripod 4' on the road. In addition, when the intensity of light incident on the optical sensor 60 is stronger than the predetermined value during driving of the auxiliary beam projector 30 ', the controller 20 controls the virtual safety tripod 4' The main beam projector 30 and the screen driving unit 40 are driven so that the virtual safety tripod 4 is displayed on the screen 41 . At this time, the trunk 5 must be closed.

Meanwhile, the projection type virtual safety tripod display apparatus for a vehicle according to the embodiment of the present invention may further include a wireless communication unit 50. The wireless communication unit 50 may wirelessly communicate with the driver terminal 70 to selectively control the main beam projector 30 and the auxiliary beam projector 30 'in response to the control signal of the driver terminal 70. [ At this time, the wireless communication unit 50 may be a Bluetooth wireless module, and the driver terminal 70 may be a smart phone equipped with an application for wireless data communication with the wireless communication unit 50.

In the event of a car accident, a second collision causes human accidents. In order to prevent human accidents, it is preferable that the driver and the passenger escape from the accident car immediately in the event of a car accident. In this case, it is not possible to inform the driver of the rear vehicle ahead of the situation through the rear main beam projector 30 and the auxiliary beam projector 30 '. Accordingly, in the present invention, the driver communicates wirelessly with the driver terminal 70 through the wireless communication unit 50, so that the driver immediately escapes from the vehicle in the event of a vehicle accident, and remotely controls the driver terminal 70 using the driver terminal 70, The control unit 20 controls the main beam projector 30 and the auxiliary beam projector 30 'to selectively drive the virtual safety tripods 4 and 4' You can tell about the danger situation.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1: Vehicle 2: Emergency button
3: rear window 4, 4 ': virtual safety tripod
5: Trunk 6: Trunk open / close button
10: vehicle state sensing unit 20: control unit
30: main beam projector 31: light emitting element
32: mask 33: heat sink
34: first housing 35: second housing
36: first lens 37: second lens
38: Bracket 39: Drive motor
30 ': auxiliary beam projector 40: screen driving unit
41: Screen 50:
60: optical sensor 70: terminal

Claims (7)

A vehicle state sensing unit provided with vehicle state information;
An emergency button provided on the vehicle or a control unit receiving a vehicle information signal from the vehicle state sensing unit;
A main beam projector installed on a roof of the vehicle and outputting a virtual safety tripod to a rear window of the vehicle in response to a control signal transmitted from the control unit corresponding to the vehicle information signal;
An optical sensor installed on a rear window of the vehicle and sensing intensity of light incident on a rear window of the vehicle; And
A screen driver installed on a roof ceiling of the vehicle to a rear side of the main beam projector; Lt; / RTI >
Wherein the control unit develops the screen through the screen driving unit to the front side of the rear window of the vehicle when the intensity of the light sensed through the optical sensor exceeds a predetermined value to cause the virtual safety tripod, And displays the virtual safety tripod display on the screen.
delete The method according to claim 1,
The main beam projector includes:
A light emitting element for emitting light;
A mask disposed on a light emitting path of the light emitting element, the mask being printed with a virtual safety tripod;
A heat sink having the light emitting element mounted on one side thereof;
A first housing detachably coupled to one side of the heat sink;
A second housing detachably coupled to one side of the first housing;
A first lens embedded in the interior of the first housing toward the front side of the mask;
A second lens embedded in the interior of the second housing toward the front side of the first lens;
A bracket fixed to a roof ceiling of the vehicle so that the heat sink can rotate; And
Wherein when the intensity of the light sensed by the optical sensor exceeds a predetermined value, the virtual safety tripod that is emitted from the main beam projector is stably displayed on the screen developed by the screen driving unit, A drive motor for rotating the sink;
And a display unit for displaying the virtual tripod.
The method according to claim 1,
Further comprising an auxiliary beam projector installed on a trunk ceiling of the vehicle for outputting a virtual safety tripod on the road in response to a control signal transmitted from the control unit in response to the vehicle information signal, Display device.
5. The method of claim 4,
Wherein the controller displays the virtual safety tripod on the road by driving the auxiliary beam projector among the main beam projector and the auxiliary beam projector when it is determined that the trunk opening / closing button is turned on and the trunk of the vehicle is opened. A projection type virtual safety tripod display for a vehicle.
5. The method of claim 4,
Wherein the control unit receives a detection signal from the optical sensor while the auxiliary beam projector is driven and receives a virtual safety tripod displayed on the road in a case where the intensity of light incident on the rear window exceeds a predetermined value, The main beam projector and the screen driving unit are driven so that a virtual safety tripod is displayed on the screen, Display device.
5. The method of claim 4,
Further comprising a wireless communication unit for wirelessly communicating with the driver terminal to selectively control the main beam projector and the auxiliary beam projector in response to a control signal of the driver terminal.

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